SI4702-D30-GMR RF/IF and RFID

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SI4702-D30-GMR is an FM front-end IC by Silicon Laboratories. It belongs to the RF Receiver category and it is used to extend the operating range and reception sensitivity of FM receivers like portable audio players, automotive radios, consumer multimedia devices or even navigation systems. The device features an onboard RF receiver and a digital baseband controller along with a number of features that provide it with superior performance in terms of both sensitivity and blocking performance.

The IC includes a low noise amplifier (LNA), a tunable RF filter, an IF amplifier, a diversity mixer, and an integrated image rejection mixer all on a single chip. The IC utilizes a synthesized architecture that allows for a wide operating range and wonderful reception sensitivity. It has a low typical noise figure which is about 3 dB, making it one of the best solutions when it comes to extending the operating range of any FM receiver. The IC also includes features that make it immune to out-of-band interference.

The SI4702-D30-GMR also includes a digital baseband controller that can be used to process FM receive signals. The digital baseband controller is able to provide automatic gain control (AGC) and automatic frequency control (AFC) capabilities which make it a great choice when it comes to extending the operating range of an FM receiver. Additionally, the digital baseband controller can detect and process station identification (RDS/RBDS) signals, allowing it to be used in complex multimedia applications that require station identification. The IC also provides programmable channel scanning and channel stepping capabilities that make it easier to search for stations.

The SI4702-D30-GMR also includes an onboard digital-to-analog converter (DAC) that can be used to create signals that can be used to drive analog FM radio systems such as a car radio or a home stereo system. The integrated DAC also provides a strong bass boost that can be used to enhance the audio quality of FM receivers. The DAC also includes a low-noise and low-distortion pre-amplifier, providing superior voice quality.

In conclusion, the SI4702-D30-GMR is a feature-rich FM front-end IC, capable of providing quality audio with superior reception performance. The IC is a suitable choice for applications needing superior reception and immunity from interference. The IC includes a powerful AM/FM/RDS digital baseband controller, enabling automatic gain control (AGC) and automatic frequency control (AFC) capabilities. The integrated DAC provides low-noise and low-distortion pre-amplification, producing high-quality audio. The IC provides a great platform for use in a variety of applications, such as portable audio players, automotive radios, and consumer multimedia devices.

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